I didn't use any cleaner, my configuration didn't change between when I was using version 4.9.3 and when I installed the new version with the msi installer. In fact, I started FileBot 4.9.3 and a popup asked me to update. I'd refused to do so until then because I was wondering whether the presets I'...

Hey rednoah, thank you for your quick answer
I'm on Windows 10 and I used the msi installer (64-bits) to update FileBot (4.9.3 to 5.1.0)

Hey there :) I've been buying a licence every year since 2020 and I haven't updated the software since 4.9.3. Today I wanted to update (to the latest version 5.1.0) but they're asking me for the licence. So I got it back in my confirmation email, but it tells me that my key isn't valid, even though ...